2193405 has 32 divisors (see below), whose sum is σ = 3732480. Its totient is φ = 1098240.

The previous prime is 2193383. The next prime is 2193413. The reversal of 2193405 is 5043912.

It is not a de Polignac number, because 2193405 - 2¹² = 2189309 is a prime.

It is a super-2 number, since 2×2193405² = 9622050988050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24601 + ... + 24689.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2^2193405 is an apocalyptic number.

It is an amenable number.

2193405 is a deficient number, since it is larger than the sum of its proper divisors (1539075).

2193405 is a wasteful number, since it uses less digits than its factorization.

2193405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2193405 is about 1481.0148547533. The cubic root of 2193405 is about 129.9290539912.

The spelling of 2193405 in words is "two million, one hundred ninety-three thousand, four hundred five".